Equipment unit · VIN-decoded · NHTSA vPIC

1D9BG4837E1609238

Not yet decoded
Carriers run under1
0 mo
Inspections2
all-time
OOS inspections0
of 2
First seenApr 20, 2026
WI
Last seenApr 30, 2026
WI
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1D9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BG483

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1984 or 2014

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
609238

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
DOONAN SPECIALIZED TRAILER

Prefix basis · 28 decoded VINs at 100.0% prefix purity.

Model
Doonan Specialized Trailer

Prefix basis · 28 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Apr 20, 2026 – Apr 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 30, 2026WIIII · Driver-only1WIEDMEYER EXPRESS INC 292766645530/WI
Apr 20, 2026WIIII · Driver-only2WIEDMEYER EXPRESS INC 292766645530/WI
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WIEDMEYER EXPRESS INC292766Apr 20, 2026Apr 30, 20262WI
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
645530WIWIEDMEYER EXPRESS INCApr 20, 2026Apr 30, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC